Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
hoc thieu » toc thieu, hoc hien
hanh dung » anh dung, hanh dong, manh dung
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, doi chieu, mot chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) sach - ((hanh dung) OR (thanh dung)) luan hang cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - ((hanh dung) OR (thanh dung)) luan hang cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) sach - ((hanh dung) OR (thanh dung)) luan hang cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - ((hanh dung) OR (thanh dung)) luan hang cong tac toan cau*.